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Finding the Fourth Proportional to 1,699,754.40, 2,549,631.60 and 943,927.20

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Solution

The fourth proportional to 1,699,754.40, 2,549,631.60 and 943,927.20 is: 1,415,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,754.40 : 2,549,631.60 = 943,927.20 : x
  2. Step 2: Convert to fraction form
    1,699,754.40/2,549,631.60 = 943,927.20/x
  3. Step 3: Cross multiply
    1,699,754.40x = 2,549,631.60 × 943,927.20
  4. Step 4: Simplify right side
    1,699,754.40x = 2,406,666,617,219.52
  5. Step 5: Solve for x
    x = 2,406,666,617,219.52/1,699,754.40
  6. Step 6: Final answer
    x = 1,415,890.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.